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arranging-coins

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This commit is contained in:
Gleb Koval 2021-11-05 15:40:01 +00:00
parent 1d06af2727
commit 98f8727286
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1 changed files with 9 additions and 0 deletions
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arranging-coins/sol.go Normal file
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package main
import "math"
// Time: O(1) (assuming computer has float64 sqrt instruction)
// Space: O(1)
func arrangeCoins(n int) int {
return int(math.Sqrt(float64(2*n)+0.25) - 0.5)
}